Signed Prince Faisal bin Salman bin Abdulaziz, Governor of Madinah and Prince Turki bin Saud, Chairman Malik bin Abdul Aziz City for Science and Technology Mikrh understanding between the Development Authority Almvenh Medina and Omedinh Malik bin Abdul Aziz City for Science and Technology to conduct research and studies in many areas, including the organization of crowd Department in seasons Hajj and Umrah and to provide maps of the distribution of the population